<html>
    <head>
        <title>First page</title>
        <meta http-equiv="Content-Type" content="text/html;charset=utf-8">
    </head>
    
    <body>
        hyper-text markup language.
        <a href="http://baidu.com">转到百度</a>
        <a href="http://localhost/mydir/html_b.html">绝对地址跳转</a>
        <a href="mydir/html_b.html">点击可以跳转到另外一个页面</a>
    </body>
</html>